pnm.h 1.2 KB

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  1. /*
  2. * PNM image format
  3. * Copyright (c) 2002, 2003 Fabrice Bellard
  4. *
  5. * This file is part of FFmpeg.
  6. *
  7. * FFmpeg is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or (at your option) any later version.
  11. *
  12. * FFmpeg is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with FFmpeg; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. */
  21. #ifndef AVCODEC_PNM_H
  22. #define AVCODEC_PNM_H
  23. #include "avcodec.h"
  24. typedef struct PNMContext {
  25. uint8_t *bytestream;
  26. uint8_t *bytestream_start;
  27. uint8_t *bytestream_end;
  28. int maxval; ///< maximum value of a pixel
  29. int type;
  30. int endian;
  31. float scale;
  32. } PNMContext;
  33. int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s);
  34. #endif /* AVCODEC_PNM_H */